Hi to all
This is the 3rd part of the FTTx Auxiliary Devices theme.
This time we will talks about the ONTs
FTTx SYSTEM OVERVIEW
Introduction to Auxiliary Devices of the FTTx Solution, Part III
ONT
ONT Product Introduction—Enterprise Market
· Bridging device:
§ A bridging ONT only transparently transmits packets, and the LAN-side device obtains the public IP address.
§ A bridging ONT cannot be used as the home control center and needs to be connected to a router. Therefore, the carrier loses the control of the ingress.
§ Internet services: A PC obtains the public IP address through PPPoEdialup to access the Internet. The ONT only transparently transmits data.
§ IPTV service: The STB directly obtains the public IP address from the DHCP to order programs. The ONT only transparently transmits data.
§ VoIP service: The ONT functions as a DHCP client to obtain an IP address through DHCP. Multiple POTS ports share one IP address.
· Gateway device:
§ A gateway ONT obtains the public IPv4 address and assigns a private IPv4 address to each LAN-side device. NAT is performed to save the public IP addresses.
§ A gateway ONT functions as the home interconnection center and connects home devices through network cables and Wi-Fi. It can be used as the entrance to smart homes.
§ Internet services: The ONT functions as a PPPoEclient to obtain a public IP address through PPPoEdialup. In addition, the ONT functions as a DHCP server to allocate private IP addresses to PCs connected to the network through L3 LAN ports and Wi-Fi. Using NAT, private network PCs can share a public IP address to access the Internet.
§ IPTV service: The ONT functions as a DHCP client to obtain a public IP address through DHCP. In addition, the ONT functions as a DHCP server to allocate private IP addresses to STBs connected to the network through L3 LAN ports. Using NAT, STBs on the private network can share a public IP address to order programs.
§ VoIP service: The ONT functions as a DHCP client to obtain an IP address through DHCP. Multiple POTS ports share one public IP address.
§ TR069 service: The ONT functions as a DHCP client to obtain an IP address through DHCP and establishes a connection with the TR069 server ACS
ONT Product Introduction—Carrier Market
Bridging ONT –EG8010H
Bridging + Voice ONT—EG8240H
Gateway-type ONT—EG8040F
Gateway ONT—EG8120
All of this ONTs are different each other and have its own purpose.
Complete your knowledge following these links.
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